18612224

Appears in sequences

• a(n) = 4^n*(n^2 - n + 32)/32.at n=11A081910
• a(0)=1, a(n)= n^(n-2)(7n^2-3n+2)/6 (n>0).at n=8A081917
• a(n) = (2*n+1)*2^floor((n+1)/2).at n=35A097578
• Expansion of g.f. (1 - x)^2*(1 + x) / (1 - 2*x)^2.at n=21A106472
• Numbers with 38 divisors.at n=18A175747
• a(n) = 2^(n-2) * prime(n).at n=19A239885